BS EN ISO 5059-1:2025 PDF

1   Scope This document specifies the most important design and metrological characteristics of two-point inside micrometers :

— with a scale interval or digital step of 0,001 mm and 0,01 mm;

— with analogue or digital indication.

This document is applicable to two-point inside micrometers with and without interchangeable extensions. This document does not apply to micrometers fitted with a dial gauge, or to jaw micrometers.